256934160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16993}}^1$

素因数の和:17022

約数の個数: 160

約数和(自身を含む): 1011482880

約数和(自身を除く): 754548720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16993, 33986, 50979, 67972, 84965, 101958, 118951, 135944, 152937, 169930, 203916, 237902, 254895, 271888, 305874, 339860, 356853, 407832, 458811, 475804, 509790, 594755, 611748, 679720, 713706, 764685, 815664, 917622, 951608, 1019580, 1070559, 1189510, 1223496, 1359440, 1427412, 1529370, 1784265, 1835244, 1903216, 2039160, 2141118, 2294055, 2379020, 2446992, 2854824, 3058740, 3211677, 3568530, 3670488, 4078320, 4282236, 4588110, 4758040, 5352795, 5709648, 6117480, 6423354, 7137060, 7340976, 8564472, 9176220, 9516080, 10705590, 12234960, 12846708, 14274120, 16058385, 17128944, 18352440, 21411180, 25693416, 28548240, 32116770, 36704880, 42822360, 51386832, 64233540, 85644720, 128467080, 256934160]

約数ペア:

[(1, 256934160), (2, 128467080), (3, 85644720), (4, 64233540), (5, 51386832), (6, 42822360), (7, 36704880), (8, 32116770), (9, 28548240), (10, 25693416), (12, 21411180), (14, 18352440), (15, 17128944), (16, 16058385), (18, 14274120), (20, 12846708), (21, 12234960), (24, 10705590), (27, 9516080), (28, 9176220), (30, 8564472), (35, 7340976), (36, 7137060), (40, 6423354), (42, 6117480), (45, 5709648), (48, 5352795), (54, 4758040), (56, 4588110), (60, 4282236), (63, 4078320), (70, 3670488), (72, 3568530), (80, 3211677), (84, 3058740), (90, 2854824), (105, 2446992), (108, 2379020), (112, 2294055), (120, 2141118), (126, 2039160), (135, 1903216), (140, 1835244), (144, 1784265), (168, 1529370), (180, 1427412), (189, 1359440), (210, 1223496), (216, 1189510), (240, 1070559), (252, 1019580), (270, 951608), (280, 917622), (315, 815664), (336, 764685), (360, 713706), (378, 679720), (420, 611748), (432, 594755), (504, 509790), (540, 475804), (560, 458811), (630, 407832), (720, 356853), (756, 339860), (840, 305874), (945, 271888), (1008, 254895), (1080, 237902), (1260, 203916), (1512, 169930), (1680, 152937), (1890, 135944), (2160, 118951), (2520, 101958), (3024, 84965), (3780, 67972), (5040, 50979), (7560, 33986), (15120, 16993)]